KIEV, Ukraine - - It has been 25th anniversary of Chernobyl nuclear disaster took place in 1986. The No. 4 reactor of the Chernobyl nuclear power plant exploded on April 26, 1986, becoming the world’s worst nuclear accident.
Ukrainians lit thin wax candles and a bell tolled 25 times for the number of years that have passed since the Chernobyl nuclear disaster as the world began marking the anniversary Tuesday of the worst nuclear accident in history.
A group of 87 NGOs in Japan restated demands to accomplish ‘‘a nuclear-free society’’ on Tuesday, the 25th anniversary of the Chernobyl nuclear disaster, at a time when a nuclear crisis is continuing in Japan at the Fukushima Dai-chi power plant.
On the state of the Fukushima plant, the statement said the reactors there "have not achieved cold shut down. The situation continues to be unpredictable."
The No. 4 reactor of the Chernobyl nuclear power plant exploded on April 26, 1986, becoming the world’s worst nuclear accident.
Watch 25 years of Chernobyl disaster in pictures below:
An aerial view of the Chernobyl nuclear plant in Ukraine shows damage from an explosion and fire in one of the reactors that sent large amounts of radioactive material into the atmosphere, April 26, 1986
Volodymyr Shashenok an engineer at the station, seen here posing with his son in Pripyat, Ukraine. He became the second victim of Chernobyl and died five hours after the accident
Residents of Kiev line up to get forms filled out prior to radiation checks for everyone possibly exposed to radioactive fallout, May 9, 1986
Firefighters with protective gear wash a West German car near the East German border after it arrived from Poland with radioactive fallout from the Chernobyl nuclear plant disaster, May 3, 1986
Ukrainian school children try on gauze masks for a safety drill in a school in Rudniya, just outside the Chernobyl contamination zone, April 3, 2006
The sarcophagus of Chernobyl reactor 4 which exploded after a power surge and dispersed radioactive material into the air in 1986